*{
    box-sizing: border-box;
}
body{
    height: 100vh;
    width: 100%;
    margin: 0;
    background-color: #fafafa;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-family: 'Roboto', sans-serif;
}
canvas{
    border: 1px solid pink;
}
.tool-box{
    width: 800px;
    height: 100px;
    padding: 20px;
    background-color: pink;
    font-size: 30px;
    position: relative;
    display: flex;
}
button, input, span{
    display: inline-block;
    width: 50px;
    text-align: center;
    line-height: 50px;
    height: 50px;
    font-size: 30px;
    background-color: #fff;
    border: 0;
    box-shadow: 0 3px 5px rgba(0, 0, 0, 0.5);
    cursor: pointer;
    margin: 0 5px;
}
#clear{
    position: absolute;
    right: 20px;
}

